IDENTIFIERS
Current Taxon Name (Soil Name):
Seymour
OSD
Series Extent
User Site ID:
S1985IA185061
User Pedon ID:
85IA1850061
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
SSL
Lab Pedon # -
86P0418
NCSS Pedon Lab Data NASIS Record ID -
58223
Print Date:
11/21/2024
LOCATION
Location In Web Soil Survey
AOI is roughly a square mile and pedon is marked in the center.
Location in SoilWeb
Location in Google Maps
Std. Latitude:
40.7500000
Std. Longitude:
-93.4916687
Datum:
WGS84
Township:
69N
Range:
23W
Section:
27
PLSS Details:
238 feet north and 2094 feet east of the northwest corner
State:
Iowa
County:
IA185—Wayne
MLRA:
109—Iowa and Missouri Heavy Till Plain
Non-MLRA Soil Survey Area:
IA185—Wayne County, Iowa
PEDON
Describers Name:
TAD and JMG
Current Taxonomic Class:
Fine, smectitic, mesic Aquic Argiudolls
Current Taxon Kind:
series
Pedon Purpose:
full pedon description
Pedon Record Orgin:
Converted from SSL-CMS data
Pedon #:
6
Correlated Information:
Soil Name -
Seymour
Classificaton Date -
7/11/2007
Moisture Class -
udic
Moisture Subclass -
aquic
Sampled As Information:
Soil Name -
Seymour
Taxonomic Class -
Fine, montmorillonitic, mesic Aquic Argiudoll
Taxon Kind -
series
Classificaton Date -
12/1/1985
Moisture Class -
udic
Moisture SUBClass -
aquic
Dynamic Soil Properties:
Erosion Class -
1
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
loess
Landscape:
upland
Drainage Class:
somewhat poorly
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
12/1/1985 (actual site observation date)
Surface Cover Properties:
Site Obs. Cover Kind 1 -
crop cover
Pedoderm Loose Cover Indicator -
no
Drained? -
no
Bedded Soil? -
no
Forest Plantation? -
no
Site Erosion Accelerated:
water erosion
Setting and Climate
Slope
Slope Length USLE
Upslope Length
Elev.
Corr. Elev
Aspect
MAP
REAP
FFD
MAAT
MSAT
MWAT
MAST
MSST
MWST
MFFP
PE Index
Climate Station ID
Climate Station Name
Climate Station Type
%
m
degrees
mm
mm
C
mm
6
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—
—
—
0
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—
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1Ap—0 to 18 centimeters (0.0 to 7.1 inches); very dark gray (10YR 3/1) interior silt loam; 4 percent sand; 25 percent clay; weak medium subangular blocky, and strong very fine and fine granular structure; very friable; 0.1 coarse roots; fragments; neutral, pH 6.8, hellige-truog; abrupt smooth boundary. Lab sample # 86P02481. very few coarse roots
1A—18 to 28 centimeters (7.1 to 11.0 inches); very dark grayish brown (10YR 3/2) interior silt loam; 4 percent sand; 24 percent clay; 11 percent dark grayish brown (10YR 4/2) fine faint mottles; moderate fine and medium subangular blocky structure; friable; 0.5 fine roots and 0.1 coarse roots; 37 percent distinct very dark gray (10YR 3/1), moist, oxide coats on faces of peds and in pores; fragments; slightly acid, pH 6.2, hellige-truog; clear smooth boundary. Lab sample # 86P02482. common oxide coats surface features on faces of peds and in pores; very few coarse roots; few fine roots; common fine faint 10YR42 mottles
1BA—28 to 43 centimeters (11.0 to 16.9 inches); dark grayish brown (10YR 4/2) interior silt loam; 4 percent sand; 23 percent clay; 1 percent strong brown (7.5YR 4/6) fine prominent mottles; moderate very fine and fine subangular blocky structure; friable; 0.1 fine roots; 15 percent distinct very dark gray (10YR 3/1), moist, oxide coats on faces of peds and in pores; fragments; moderately acid, pH 5.6, hellige-truog; clear smooth boundary. Lab sample # 86P02483. few oxide coats surface features on faces of peds and in pores; very few fine roots; few fine prominent 7.5YR46 mottles
1B1—43 to 56 centimeters (16.9 to 22.0 inches); dark grayish brown (10YR 4/2) interior silt loam; 4 percent sand; 23 percent clay; 1 percent strong brown (7.5YR 4/6) fine prominent mottles; moderate very fine and fine subangular blocky structure; friable; 0.1 fine roots; 15 percent distinct very dark gray (10YR 3/1), moist, oxide coats in root channels and/or pores; fragments; moderately acid, pH 5.6, hellige-truog; clear smooth boundary. Lab sample # 86P02484. few oxide coats surface features in root channels and/or pores; very few fine roots; few fine prominent 7.5YR46 mottles
1B2—56 to 69 centimeters (22.0 to 27.2 inches); dark grayish brown (10YR 4/2) interior silty clay loam; 4 percent sand; 29 percent clay; 1 percent grayish brown (10YR 5/2) fine faint and 11 percent strong brown (7.5YR 4/6) fine prominent mottles; weak coarse and very coarse platy, and moderate fine subangular blocky structure; friable; 0.1 fine roots; 15 percent faint dark gray (10YR 4/1), moist, clay films on faces of peds; fragments; strongly acid, pH 5.4, hellige-truog; clear smooth boundary. Lab sample # 86P02485. (10YR 7/2) silt coats.; few clay films surface features on faces of peds; very few fine roots; common fine prominent 7.5YR46 mottles; few fine faint 10YR52 mottles
1Bt1—69 to 84 centimeters (27.2 to 33.1 inches); dark grayish brown (2.5Y 4/2) interior silty clay; 4 percent sand; 50 percent clay; 11 percent strong brown (7.5YR 5/6) fine prominent mottles; moderate fine prismatic, and moderate fine angular blocky structure; firm; 0.1 fine roots; 2 percent distinct very dark gray (10YR 3/1), moist, oxide coats in root channels and/or pores and 55 percent prominent very dark gray (10YR 3/1), moist, clay films on faces of peds; fragments; strongly acid, pH 5.4, hellige-truog; clear smooth boundary. Lab sample # 86P02486. many clay films surface features on faces of peds; very few oxide coats surface features in root channels and/or pores; very few fine roots; common fine prominent 7.5YR56 mottles
1Bt2—84 to 122 centimeters (33.1 to 48.0 inches); dark grayish brown (2.5Y 4/2) interior silty clay; 4 percent sand; 48 percent clay; 11 percent strong brown (7.5YR 5/6) medium prominent mottles; moderate fine prismatic, and moderate fine and medium subangular blocky structure; firm; 0.1 fine roots; 15 percent prominent very dark gray (10YR 3/1), moist, oxide coats in root channels and/or pores and 37 percent prominent dark gray (10YR 4/1), moist, clay films on faces of peds; fragments; moderately acid, pH 5.6, hellige-truog; clear smooth boundary. Lab sample # 86P02487. few oxide coats surface features in root channels and/or pores; common clay films surface features on faces of peds; very few fine roots; common medium prominent 7.5YR56 mottles
1Bt3—122 to 142 centimeters (48.0 to 55.9 inches); grayish brown (2.5Y 5/2) interior silty clay loam; 6 percent sand; 45 percent clay; 30 percent strong brown (7.5YR 5/6) medium prominent mottles; weak medium prismatic, and moderate fine and medium subangular blocky structure; firm; 0.1 fine roots; 15 percent distinct dark gray (10YR 4/1), moist, clay films on faces of peds and 15 percent prominent very dark gray (10YR 3/1), moist, oxide coats in root channels and/or pores; fragments; moderately acid, pH 6.0, hellige-truog; clear smooth boundary. few clay films surface features on faces of peds; few oxide coats surface features in root channels and/or pores; very few fine roots; many medium prominent 7.5YR56 mottles
1BC—142 to 152 centimeters (55.9 to 59.8 inches); grayish brown (2.5Y 5/2) interior and strong brown (7.5YR 5/6) interior silty clay loam; 8 percent sand; 42 percent clay; weak coarse and very coarse platy, and moderate fine subangular blocky structure; firm; 0.1 fine roots; 2 percent prominent very dark gray (10YR 3/1), moist, oxide coats in root channels and/or pores; fragments; slightly acid, pH 6.2, hellige-truog. very few oxide coats surface features in root channels and/or pores; very few fine roots